Reverend Greg Koch Gristle 90 Review & Prices
- From Reverend's 2021 Signature series
- Greg Koch Signature
- Made in South Korea
- 6 strings
- 24.75"'' scale
- 12" Fretboard Radius
- Korina body
- Three-Piece Korina neck
- Ebony fretboard
- Bridge pickup: Fishman Gristle 90's (Single Coil/Passive)
- 1 volume and 1 tone Dome knobs
- 3-way Switch
- Bigsby B-50 with Roller Bridge bridge
- Medium Oval Set neck
- 22 XL Jumbo frets
- Reverend Pin-Lock tuners
- Weight between 7.85lbs (3.6kgs) and 8.25lbs (3.7kgs)
- Compare Specs >
Our Scores and Tone Evaluation
- Heavy Metal
- Hard Rock
- Jazz
- Blues
- Funk
- Country
Reverend Greg Koch Gristle 90
- Locking Tuners
- Expensive Wood
- Boneite Nut
- Top Brand Pickups
- Boost Pickups
- Tremolo
- Cheap Fret Wire (NS)
- Made in South Korea
- No Neck-Through Build
- No Weight Relief
- No Luminescent Inlay
- No Compound Radius Fretboard
- No 21:1 Tuner Ratio
- No Strap Lock
Price Overview
Its average competitor's price is $1200, which means that the Reverend Greg Koch Gristle 90 costs around 58% more than the competition. It might be due to it having additional features, but know that you can find cheaper similar alternatives. This takes into account all instruments of the same category in our database with 6 strings and Bigsby Tremolo bridge that are made in South Korea.
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Your feedback
Not all instruments are created equally. That's why it's important to have different opinions. Here's what our users who have played this instrument say. If you've played it before, help others by voting below!
Weight
VoteTuning stability
VoteNeck speed (thickness)
VoteNeck access to high frets
VoteNeck profile shape
VoteFret edges
VotePickups noise
VotePickups power
VoteIs it Easy to Play?
The Reverend Greg Koch Gristle 90 meets 4 out of our 8 criteria items for beginner friendliness, which means that it's not bad for beginners, but it could be better. This takes into account the type of frets, scale length, nut width, bridge type, fretboard radius, and neck profile to determine the easiest combination for new players to get used to.
New Player Friendliness
Reverend Greg Koch Gristle 90- Comfortable shape
- Locking tuners
- Tall frets
- Comfortable neck
- Comfortable fretboard
- Narrow nut
- Short scale
- Easy-to-use bridge
Hand Size Comfortability
After taking into account the neck profile, scale size, fretboard radius, and nut width, we can conclude that the Reverend Greg Koch Gristle 90's construction is balanced for most hand sizes.
Nevertheless, this comes down in the end to personal preference. Make sure you test this guitar—or another one with similar characteristics—before buying.
How Lightweight is it?
We found that the Reverend Greg Koch Gristle 90 weighs between 7.85lbs (3.6kgs) and 8.25lbs (3.7kgs). This was recorded from some online retailers that publish the weight of the instruments they sell.
Scale Length
Scale length is the distance the strings will span between the bridge and the nut. It can tell you a lot about the overall playability and tone of the instrument. A longer scale length means longer distance between frets, brighter tone and more string tension—which means lower action, but more difficult bending of the strings.
Here's the Reverend Greg Koch Gristle 90's 24.75" scale length compared to other common sizes:
This is the scale length used in most Gibson guitars. If you like the playability of a Gibson, this guitar will feel pretty similar. It's a lot shorter than the typical Stratocaster (25.5'')
As you can see from the picture above, a shorter scale length also means shorter separation between frets. If you got really small hands, you probably will feel more comfortable playing this guitar than a Fender Stratocaster.
This scale length also allows for easier bends and vibratos because the strings will have lower tension due to the shorter scale.
Finally, another thing affected by scale length is tone. A shorter scale will give less room for the harmonics, thus resulting in a warmer, more 'bassy' tone.
Still, remember that you string gauge plays an important part in all of this. A lighter gauge will make it easier to perform bends, vibratos and will also give you a brighter tone.
Neck Profile
The neck profile tells you the thickness (neck depth) and shape in cross section. Every difference will completely change the feeling and comfortability of the neck. This is a highly subjective thing, but most players indeed prefer certain types of necks (like Cs and Ds) because they feel nice in most hands.
The Reverend Greg Koch Gristle 90's neck thickness is approximately 0.85'' (21.6mm) at the first fret, and 0.9'' (22.9mm) at the twelfth.
These measurements were taken either from the official Reverend website, or, in case this information wasn't provided, by researching multiple online marketplaces and forums where owners of this model have posted their measurements.
It has a C type neck. C-shaped necks like this have been the most popular for the last years. The reason is that they feel good in most hands. It's generally a thin neck that doesn't get in your way when playing fast, but that also has enough mass to give your hands a comfortable grip for chords if they aren't too big.
Thin necks like this make it easier to move your hand across the neck and it helps when playing fast solos, especially if you like to leave your thumb free while playing high on the fretboard. However, thinner necks are also weaker and will need adjustment more often than a thicker neck.
Fretboard Radius
When it comes to fingerboard radius, personal preference will dictate which one is better for you. However, most people seem to agree that a more curved (lower) radius will make it easier to play chords while a less curved (higher) radius is better for soloing and bending.
The Reverend Greg Koch Gristle 90 has a 12" fingerboard radius.
Here's an image comparing this fretboard radius to other popular choices:
This is the same radius that Gibson uses in most of their guitars. When compare to the other popular radius of Fender Stratocasters, you can see that it's a lot flatter. Guitars with this radius are usually made to bring a good balance between single-note and chord playing.
Compound radius fingerboards give the best of both worlds. Unfortunately, the Reverend Greg Koch Gristle 90 has the same radius across the board.
Playability compared to main competitors
Nut Width
The Reverend Greg Koch Gristle 90 has a nut width of 43mm (1.693''). This is within the most common range of nut widths for a 6-string guitar. It offers a good balance of string separation at the nut. It's the size that most guitarists prefer as it gives them just enough space to play open chords without muting the strings, but without spreading the strings too wide and making bar chords difficult to perform.
Frets
The Reverend Greg Koch Gristle 90 has 22 frets. Even though 24 frets has become really popular, there's still a good reason to get fewer frets; the pickup at the neck position will be further away from the bridge. This makes the neck pickup achieve a warmer tone. You might want this if you're playing Jazz or similar genres.
However, if you don't care about the warmer neck pickup, more frets will always be better. It's always nice to have the option to play higher notes if you want to.
It comes with nickel silver frets, so they won't last as long as stainless steel frets. If you use your instrument a lot, you might need to replace the frets after a few years. But this is unlikely as most people change instruments before this happens.
Fret Size
Finally, let's talk about fret size. Some people prefer tall frets because it's easier to press the strings and perform bends since there's less friction against the fretboard. On the other hand, some people like shorter frets because they like to touch the fretboard when playing, or because they got heavy hands and tend to press too much on the string and alter the of the note pitch accidently.
The Reverend Greg Koch Gristle 90's frets are XL Jumbo size. These are extra-large frets, which are perfect for people who truly want the least resistance for techniques like vibrato, bending, tapping, and just playing fast in general. You won't be able to feel the fretboard with these frets, so if you press too hard you'll get the notes out of pitch. It might take a while to get used to them because of this.
Playability Score
Tone Analysis
Wood will have little influence in the final tone of an electric guitar or bass. Instead, the hardware, especially the pickups, will be the most important thing to look at. Bur first, let's see the quality of the wood.
Wood
Limba Body and Neck: Available in either black or white, it's a type of wood with beautiful natural patterns decorated with long dark chocolate stripes. As a tonewood, it is comparable to Mahogany but with more mid-tones.
Ebony Fretboard: This is one of the most expensive woods there is, which is why it's mostly used for fretboards. It is dense, heavy, highly resistant and comes in a really dark color that gives any guitar a classy touch. Tone wise, it helps the high side of the spectrum and provides good sustain.
Pickups
This guitar comes with pickups from one of the top brands: Fishman. So you can expect well built pickups with great sound that shouldn't need an upgrade anytime soon.
These are passive pickups, so you can expect a rounder sound and a moderade level of output.
The Reverend Greg Koch Gristle 90's configuration is P90P90. P90s are single-coil pickups (even though they look like Humbuckers), and they have a very particularly gritty sound that's used today to achieve a ''vintage'' tone. They produce a warmer tone than the typical single-coil, but they're not quite as warm as Humbuckers, and the same thing could be said about their output.
Versatility
It comes with the popular 3-way switch that is present in most guitars. For more versatility, players tend to prefer a 5-way switch, although it all depends on what you want to use your guitar for.
It has a Boost option. It'll increase the output of the pickups when activated. You'll be able to increase the output for heavy genres while still being able to use a cleaner voice when you need it.
Diagram
What music genre is it good for?
As a 6 strings, Solid Body guitar with P90P90 configuration and Passive pickups, we'd recommend it for genres like Hard Rock or similar. However, you can use almost any guitar for any genre. This is just the typical type of music for this particular one.
Sound Score
Build Quality Analysis
Country of Origin
Knowing where the instrument is produced is a good way to know how well it's built. Some manufacturing countries are known for having higher quality standards. For example, most expensive instruments are made in the US or Japan, but there are some exceptionally great countries—like South Korea—that are building a good reputation.
The Reverend Greg Koch Gristle 90 is made in South Korea. Guitars made here are well-built and tend to have good quality control, even though they focus on mass production. This used to be the most premium option just below Japan or the US, but other countries like Indonesia are becoming great competitors because of even cheaper labor without sacrificing quality.
Bridge
Bigsby B-50 with Roller Bridge: This is a classy bridge that will make any guitar look vintage. It's a subtle tremolo, so it won't change the pitch of the strings too much and is very friendly with classic Jazz and other retro genres. The big disadvantage is that it's difficult to change the strings and setup correctly.
Also, if it's not well done, this type of bridge can cause your guitar to get out of tune often. For this reason, it's often better paired with roller saddles.
Tuners
The Reverend Greg Koch Gristle 90 comes with locking tuners, which helps with tuning stability and makes changing strings a lot faster and easier. As long as they're high quality, these are the best tuning machines you can have. The only disadvantage is that they are a bit heavier than normal tuners.
Nut Material
Another important thing to analyze is the nut material, as it's one of the most important aspects that can affect the sound and playability of your guitar. A well-cut nut will make sure it stays in tune and will make it more comfortable to play.
In this case, the Reverend Greg Koch Gristle 90 has a Boneite nut. This is a synthetic bone material made to look, feel and sound like bone. It's more consistent than bone since it's human-made, so many people prefer this type of nut to guarantee a good nut.
Neck Joint
The neck joint is the part where the neck of the guitar meets the body. There are three main techniques to attach both parts together: Set-In, Bolt-On and Neck-Through. The latter two provide different advantages, although neck-throughs are the most expensive.
This guitar has a Set neck joint. This type of neck joint consists of using different pieces of wood for the neck and the body of the guitar. Both pieces are then glued together. This is more expensive to make than a bolt-on neck, but it's cheaper than a neck-through guitar. Some people believe that this gives more sustain than a bolt-on neck due to both pieces having a 'better connection' than with bolts. Still, it's something difficult to prove.
However, this type of neck joint does have the disadvantage of not allowing you to easily swap the neck for another. This makes this type of neck joint less mod-friendly.
Build Quality Score
All Specs
Reverend Greg Koch Gristle 90User Reviews
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